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Demographics

A Portrait of Somerville

The median age in Somerville is just 30.9, among the youngest in Massachusetts, packed onto four square miles beside Tufts University and three rapid-transit lines. Nearly a quarter of residents were born outside the United States, and close to three in ten speak a language other than English at home. Figures below come from the U.S. Census Bureau and the Secretary of the Commonwealth. Follow the source links for the latest.

Key Figures

81,045Population (2020)
30.9Median age
$127kMedian household income
24.8%Foreign-born

Sources: US Census Bureau (data.census.gov).

Population & Households

  • Population (2020 Census): 81,045
  • ACS estimate: about 80,549
  • Households: 35,427
  • Median age: 30.9
  • Foreign-born: 24.8% of residents
  • Owner-occupied homes: 34.3%

Race & Ethnicity

  • White: 69.5%
  • White, non-Hispanic: 66.1%
  • Asian: 11.7%
  • Hispanic or Latino (any race): 11.4%
  • Black or African American: 4.6%
  • Two or more races: 9.3%
  • Speak a language other than English at home: 28.8%

Economy & Housing

  • Median household income: $127,056
  • Poverty rate: 10.1%
  • Median home value: $899,400
  • Median gross rent: $2,468

Registered Voters

Massachusetts publishes voter-registration counts by city through the Secretary of the Commonwealth. As of February 2025, more Somerville voters were unenrolled than were registered with any party.

  • Total registered: 51,622
  • Unenrolled (no party): 27,431 (53.14%)
  • Democrats: 22,401 (43.39%)
  • Republicans: 1,330 (2.58%)

See how Somerville fits into the broader Commonwealth.

Massachusetts Demographics